Re: KVM overflows the stack

!MAILaRCHIVE_VOTE_RePLACE
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
To: Avi Kivity <avi@...>
Cc: linux-kernel@vger.kernel.org <linux-kernel@...>, kvm-devel <kvm@...>, Anthony N. Liguori [imap] <aliguori@...>
Date: Thursday, July 17, 2008 - 2:27 am

A newer gcc (4.2) makes this a wee bit better, but probably still
worrisome.

dave@nimitz:~/src/kvm-userspace-virgin/kernel$ objdump -d *.ko | perl /home/dave/kernels/linux-2.6.git-t61/scripts/checkstack.pl i386
0x00007b33 kvm_arch_vm_ioctl [kvm]:			1164
0x000072e8 kvm_arch_vcpu_ioctl [kvm]:			1060
0x00007497 kvm_arch_vcpu_ioctl [kvm]:			1060
0x0000adad kvm_pv_mmu_op [kvm]:				564
0x0000ae6b kvm_pv_mmu_op [kvm]:				564
0x00002553 kvm_vcpu_ioctl [kvm]:			468
0x0000d7e8 paging64_prefetch_page [kvm]:		304
0x0000d926 paging64_prefetch_page [kvm]:		304
0x0000d936 paging64_prefetch_page [kvm]:		304
0x0000c118 paging32_prefetch_page [kvm]:		300
0x0000c146 paging32_prefetch_page [kvm]:		300
0x0000c286 paging32_prefetch_page [kvm]:		300
0x0000f1eb x86_emulate_insn [kvm]:			192
0x0000f372 x86_emulate_insn [kvm]:			192
0x0000f5f2 x86_emulate_insn [kvm]:			192
0x00005373 kvm_task_switch [kvm]:			172
0x00001466 __kvm_set_memory_region [kvm]:		164
0x000014da __kvm_set_memory_region [kvm]:		164
0x0000dae8 paging64_page_fault [kvm]:			156
0x0000db06 paging64_page_fault [kvm]:			156
0x0000db67 paging64_page_fault [kvm]:			156
0x0000dcd5 paging64_page_fault [kvm]:			156
0x0000dcf1 paging64_page_fault [kvm]:			156
0x0000c356 kvm_mmu_pte_write [kvm]:			152
0x0000c50a kvm_mmu_pte_write [kvm]:			152
0x0000df28 paging32_page_fault [kvm]:			144
0x0000df46 paging32_page_fault [kvm]:			144
0x0000dfa7 paging32_page_fault [kvm]:			144
0x0000e115 paging32_page_fault [kvm]:			144
0x0000e131 paging32_page_fault [kvm]:			144
0x00014ed3 apic_mmio_read [kvm]:			108

-- Dave

--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
kvm causing memory corruption? ~2.6.25-rc6, Dave Hansen, (Tue Mar 25, 5:12 pm)
Re: kvm causing memory corruption? now 2.6.26-rc4, Dave Hansen, (Mon Jun 2, 6:30 pm)
Re: kvm causing memory corruption? now 2.6.26-rc4, Avi Kivity, (Wed Jun 4, 9:42 am)
Re: kvm causing memory corruption? now 2.6.26-rc4, Dave Hansen, (Fri Jun 6, 3:41 am)
Re: kvm causing memory corruption? now 2.6.26-rc4, Avi Kivity, (Thu Jun 12, 9:10 am)
Re: kvm causing memory corruption? now 2.6.26-rc8, Dave Hansen, (Tue Jul 15, 2:57 pm)
Re: kvm causing memory corruption? now 2.6.26, Dave Hansen, (Wed Jul 16, 5:44 pm)
Re: kvm causing memory corruption? now 2.6.26, Avi Kivity, (Thu Jul 17, 1:38 am)
KVM overflows the stack, Dave Hansen, (Wed Jul 16, 6:48 pm)
Re: KVM overflows the stack, Dave Hansen, (Thu Jul 17, 2:27 am)
Re: KVM overflows the stack, Avi Kivity, (Thu Jul 17, 1:52 am)
[PATCH] update kvm's anon_inodes.c for r/o bind mounts, Dave Hansen, (Thu Jul 17, 2:45 am)
Re: KVM overflows the stack, Dave Hansen, (Thu Jul 17, 2:14 am)
Re: KVM overflows the stack, Avi Kivity, (Thu Jul 17, 2:42 am)
Re: KVM overflows the stack, Roland Dreier, (Thu Jul 17, 2:08 am)
Re: KVM overflows the stack, Dave Hansen, (Thu Jul 17, 10:06 am)
Re: KVM overflows the stack, Avi Kivity, (Thu Jul 17, 10:15 am)
Re: kvm causing memory corruption? now 2.6.26-rc4, Dave Hansen, (Mon Jun 16, 2:07 pm)
Re: kvm causing memory corruption? now 2.6.26-rc4, Dave Hansen, (Mon Jun 2, 8:59 pm)